Re: [TCML] conical sec winding tips

[David Thomson <tcbuilder@xxxxxxxxxxxxxxxxxxxxxxxx>]

My trick for winding flat spirals and cones is to coat the surface of the
form with a couple coats of polyurethane.  Let it dry to the point of being
tacky, then start winding with the wire.  The tackiness holds the wire in
place.  After the winding is completed, let the polyurethane completely dry
for a couple days.  After it has dried, then coat over the windings with
epoxy coating.  Do not attempt to apply another coat of polyurethane or
epoxy before the underlying coating is dry or the whole thing will unravel.
 I know this for a fact.

I make a turntable to wind the coil on so the wire goes on straight without
twisting.

Dave




On Mon, Dec 31, 2012 at 3:22 PM, david baehr <dfb25@xxxxxxxxxxx> wrote:

>
>
>
>
> Hi,       winding my LiL  cone coil  has not been successful .   Would
>  laying strips of masking tape , sticky side up, cause any problems
> electrically with the winding ? Or maybe some spray on adhesive ?  After,it
> will get a few coats of poly to hold all in place          I haven't
>  wasted much wire yet as I can tell after about a 1/4" of winding  the wire
> wants to 'climb over itself so I rewind back on the spool. I am starting on
> the small end.                           Thank You ,   (cone head ) dave
>
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